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Finding the Fourth Proportional to 182.98, 252.57 and 117.66

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Solution

The fourth proportional to 182.98, 252.57 and 117.66 is: 162.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    182.98 : 252.57 = 117.66 : x
  2. Step 2: Convert to fraction form
    182.98/252.57 = 117.66/x
  3. Step 3: Cross multiply
    182.98x = 252.57 × 117.66
  4. Step 4: Simplify right side
    182.98x = 29,717.39
  5. Step 5: Solve for x
    x = 29,717.39/182.98
  6. Step 6: Final answer
    x = 162.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.